Confirmed breach

Secretaria do Tesouro Nacional data breach

BRBrazil

O POVO, Tecnoblog and Extra reported a data breach at Secretaria do Tesouro Nacional (Brazil) on 12 November 2026, and it has been confirmed. It affected 30,000 records.

People affected: 30,000records
Reported: 12 November 2026News report and 3 more

What was exposed 3

Pix keys
CPF numbers
Records

How it happened

How: Hacking unauthorized access to personal data in your technological environment source
Our translation from Portuguese
acesso não autorizado a dados pessoais em seu ambiente tecnológico

Sources 4

News reportO POVONational Treasury identifies data breach of 30 thousand registrations (our translation from Portuguese)12 November 2026 · 30,000 records
Confirmed by Secretaria do Tesouro Nacional: The National Treasury Secretariat identified unauthorized access to personal data in its technological environment, with exposure of information from approximately 30 thousand registrations
Our translation from Portuguese
A Secretaria do Tesouro Nacional identificou um acesso não autorizado a dados pessoais em seu ambiente tecnológico, com exposição de informações de aproximadamente 30 mil cadastros
News reportEconomia - iGNational Treasury identifies data leak from registration records (our translation from Portuguese)12 November 2026 · 30,000 records
News reportTecnoblogTesouro Nacional alerts to the leakage of personal data and Pix keys (our translation from Portuguese)13 November 2026 · 30,000 records
News reportExtraNational Treasury identifies data breach of 30 thousand registrations (our translation from Portuguese)13 November 2026 · 30,000 records

News reports are read by an AI model; every fact taken from an article was checked word for word against it, and anything it could not find was dropped. · Corrections and changes

If Secretaria do Tesouro Nacional had your data

Look for Secretaria do Tesouro Nacional’s own notice or letter: it should say what of yours was involved. Keep it.
Expect scams that use your details: calls, texts or emails pretending to be Secretaria do Tesouro Nacional, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

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Questions about the Secretaria do Tesouro Nacional breach

Was Secretaria do Tesouro Nacional hacked?

O POVO, Tecnoblog and Extra reported a data breach at Secretaria do Tesouro Nacional (Brazil) on 12 November 2026, and it has been confirmed. It affected 30,000 records. How it happened, by the sources: hacking.

What data was exposed in the Secretaria do Tesouro Nacional breach?

Pix keys, CPF numbers and Records, by the notices and reports on this page.

How do I know if I was affected?

Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.

Is there a Secretaria do Tesouro Nacional data breach settlement?

No settlement open for claims is on record for Secretaria do Tesouro Nacional as of 15 November 2026. Every open settlement is listed with its deadline.

Is a letter, email or text about the Secretaria do Tesouro Nacional breach real or a scam?

A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to Secretaria do Tesouro Nacional’s own site, or check the letter here.

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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Accuracy audit · For journalists · Found a mistake? Tell us and we correct it.